ACE PRODUCTION EXTENDED Scheduled Maintenance this Weekend, Sat. April 10, 2021@ 9pm ET to 4am ET Sunday, April 11

CSMS #46900787 - ACE PRODUCTION EXTENDED Scheduled Maintenance this Weekend, Sat. April 10, 2021@ 9pm ET to 4am ET Sunday, April 11 U.S. Customs and Border Protection sent this bulletin at 04/07/2021 11:43 AM EDT CSMS #46900787 - ACE PRODUCTION EXTENDED Scheduled Maintenance this Weekend, Sat. April 10, 2021@ 9pm ET to 4am ET Sunday, April 11 Please be aware that there will be an Extended ACE PRODUCTION Maintenance window this Saturday evening, April 10, 2021, for CBP ACE Infrastructure maintenance that will start ONE hour Earlier than normal – Saturday 9 :00pm ET to Sunday 4:00am ET .  The maintenance is for an infrastructure software upgrade that will improve the system performance for processing electronic MQ messages, inbound and outbound, in the following ACE areas: ACE Import manifests/bills (all modes of transportation) and associated entry filings. QP/WP In-bonds Entry summary (AE) Add and Replace messages The following ABI message types: Importer/Bond Query (KI/KR) Entry Summary Query (JC/JD) AD/CVD Case Query    (AD/AC) Census Warning Override (CW/CO) Census Warning Query (CJ/CL)